It may not feel like spring, but listen closely and you'll hear the sounds of warm weather on the way. Spring peepers, one-inch treefrogs, are beginning to call this month and will continue through the spring. The call is a peep that sounds a little like a baby chick.

Sounds: (RealAudio) Spring peeper Spring peeper chorus

You'll hear large choruses near wetland areas where shallow water and grassy plants mix. If you get close to one of the tiny noisemakers, you can identify spring peepers by the X on their backs and the presence of toe pads.

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photos: Mike Dunn